The equation is
.
Solve the equation.
\
(Original equation)
(Rewrite the equation)
(Differences of squares)
and
(Zero product property)
and
(Simplify)
and
(Simplify)
The equation has two real and two imaginary roots,
, and
.
Check solution for
-values.
Graph:
\Graph the equation
.

Observe the graph:
\The graph is cross the
- axis at
and
.
Therefore, the values of
are
and
.
The equation has two real roots.